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Ancyloceras Ammonite Fossil

Currency:USD Category:Collectibles / Rocks, Fossils & Minerals Start Price:30.00 USD Estimated At:40.00 - 60.00 USD
Ancyloceras Ammonite Fossil
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Ancyloceras Ammonite Fossil, measures 3.5''L x 2''W x .75''Deep, ''coming from the Cretaceous Barremian Stage (117-113 million year old) deposits of Agadir, Morocco, this is an Ancyloceras (Audiloceras) ammonite. It has what is known as heteromorph shape. While most ammonites have spiral shells that retain the same shape throughout growth (homomorph), a major group of ammonites, the Ancyloceratina, emerged during the Late Jurassic that had uncoiled shells, and were called heteromorph.''